11111145563226 has 16 divisors (see below), whose sum is σ = 22586590981728. Its totient is φ = 3642998545200.

The previous prime is 11111145563191. The next prime is 11111145563261. The reversal of 11111145563226 is 62236554111111.

It is an interprime number because it is at equal distance from previous prime (11111145563191) and next prime (11111145563261).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15179160240 + ... + 15179160971.

It is an arithmetic number, because the mean of its divisors is an integer number (1411661936358).

Almost surely, 2^{11111145563226} is an apocalyptic number.

11111145563226 is an abundant number, since it is smaller than the sum of its proper divisors (11475445418502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111145563226 is a wasteful number, since it uses less digits than its factorization.

11111145563226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30358321277.

The product of its digits is 43200, while the sum is 39.

Adding to 11111145563226 its reverse (62236554111111), we get a palindrome (73347699674337).

The spelling of 11111145563226 in words is "eleven trillion, one hundred eleven billion, one hundred forty-five million, five hundred sixty-three thousand, two hundred twenty-six".